Seiko Cal. 5690 - 240

Seiko 5690-240

This Hand-Winding model from 1985 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-18547dafc710]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1985

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seikata-wm-18547dafc710